40431126043 has 32 divisors (see below), whose sum is σ = 50632750080. Its totient is φ = 31364444160.

The previous prime is 40431126023. The next prime is 40431126059. The reversal of 40431126043 is 34062113404.

It is not a de Polignac number, because 40431126043 - 2¹³ = 40431117851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40431126023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20044171 + ... + 20046187.

It is an arithmetic number, because the mean of its divisors is an integer number (1582273440).

Almost surely, 2^40431126043 is an apocalyptic number.

40431126043 is a deficient number, since it is larger than the sum of its proper divisors (10201624037).

40431126043 is a wasteful number, since it uses less digits than its factorization.

40431126043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 40431126043 its reverse (34062113404), we get a palindrome (74493239447).

The spelling of 40431126043 in words is "forty billion, four hundred thirty-one million, one hundred twenty-six thousand, forty-three".